US6329165B1 - Measurement and control of sessile and planktonic microbiological activity in industrial water systems - Google Patents
Measurement and control of sessile and planktonic microbiological activity in industrial water systems Download PDFInfo
- Publication number
- US6329165B1 US6329165B1 US09/475,585 US47558599A US6329165B1 US 6329165 B1 US6329165 B1 US 6329165B1 US 47558599 A US47558599 A US 47558599A US 6329165 B1 US6329165 B1 US 6329165B1
- Authority
- US
- United States
- Prior art keywords
- fluorogenic dye
- fluorescent signal
- biocide
- fluorescent
- water system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
- C12Q1/04—Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/968—High energy substrates, e.g. fluorescent, chemiluminescent, radioactive
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Immunology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Cell Biology (AREA)
- Virology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
Description
EXAMPLE 2 TABLE | ||
Time | ||
(hours:min.) | Ratio Change | Pressure Change |
0:00 | 0.30 | 0.33 |
3:27 | 0.38 | 0.31 |
25:07 | 2.10 | 1.72 |
53:02 | 3.41 | 5.84 |
EXAMPLE 3 TABLE |
shows the results of each experiment. |
Ratio in | |||||
SAMPLE | Ratio in | ||||
PRIME | biofilm | ||||
Sample | reactor | ||||
Concen- | (planktonic | SAMPLEs | |||
tration | only, no | (planktonic | |||
of dye | Fluorogenic | Time | sessile | and sessile | |
Example | (ppm) | Dye | (min) | polulation) | populations) |
3A | 0.2 | Resazurin | 0 | 1.07 | 1.37 |
3A | 0.2 | Resazurin | 30 | 1.23 | 5.2 |
3B | 0.2 | Pyranine | 0 | 0.146 | 0.146 |
Phosphate | |||||
3B | 0.2 | Pyranine | 60 | 0.195 | 1.54 |
Phosphate | |||||
EXAMPLE 4 TABLE | |||
Time into experiment | Ratio | Pump State | Comments |
00:00:0 | 1.3838 | off | Biocide pump is off |
0:35:00 | 1.8815 | off | |
1:10:00 | 1.52 | off | |
1:38:00 | 1.75 | off | |
2:13:00 | 2.009 | on | Biocide pump turned |
on | |||
2:55:00 | 2.159 | on | |
3:24:00 | 2.22 | on | |
3:52:00 | 2.166 | off | Biocide pump turned |
off | |||
4:27:00 | 2.054 | off | |
4:55:00 | 2.027 | off | |
Claims (15)
Priority Applications (31)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/475,585 US6329165B1 (en) | 1999-12-30 | 1999-12-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
NZ519872A NZ519872A (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
PT00992599T PT1242614E (en) | 1999-12-30 | 2000-11-30 | MEASUREMENT AND CONTROL OF SESSIL AND PLANCONIC MICROBIOLOGICAL ACTIVITY IN INDUSTRIAL WATER SYSTEMS |
PCT/US2000/042495 WO2001049876A1 (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
AU45140/01A AU782486B2 (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
KR1020027008398A KR100644885B1 (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
JP2001550404A JP4703082B2 (en) | 1999-12-30 | 2000-11-30 | Measurement and control of adherent and planktonic microbial activity in industrial water systems. |
RU2002117295/13A RU2280692C2 (en) | 1999-12-30 | 2000-11-30 | Method for control of attached and plankton microbiological populations in industrial aqueous system (two variants) |
DE60014164T DE60014164T2 (en) | 1999-12-30 | 2000-11-30 | MEASUREMENT AND CONTROL OF SESSIONS AND PLANCTONIC MICROBIOLOGICAL ACTIVITY IN INDUSTRIAL WATER SYSTEMS |
CNB008178356A CN1195870C (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water system |
EP00992599A EP1242614B1 (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
MXPA02006440A MXPA02006440A (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems. |
BR0016810-6A BR0016810A (en) | 1999-12-30 | 2000-11-30 | Process for monitoring planktonic and sessile microbiological populations in an industrial water system |
AT00992599T ATE277196T1 (en) | 1999-12-30 | 2000-11-30 | MEASUREMENT AND CONTROL OF SESSILE AND PLANKTONIC MICROBIOLOGICAL ACTIVITY IN INDUSTRIAL WATER SYSTEMS |
CA2394069A CA2394069C (en) | 1999-12-30 | 2000-11-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
TW089127225A TWI223005B (en) | 1999-12-30 | 2000-12-19 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
ARP000106744A AR027011A1 (en) | 1999-12-30 | 2000-12-19 | MEASUREMENT AND CONTROL OF MICROBIAL ACTIVITY SESIL AND PLANCTONICA IN INDUSTRIAL WATER SYSTEMS |
US09/894,929 US6440689B1 (en) | 1999-12-30 | 2001-06-28 | Measurement of microbiological activity in an opaque medium |
CA2443532A CA2443532C (en) | 1999-12-30 | 2001-08-15 | Measurement of microbiological activity in an opaque medium |
MXPA03011247A MXPA03011247A (en) | 1999-12-30 | 2001-08-15 | Measurement of microbiological activity in an opaque medium. |
ES01964059T ES2315301T3 (en) | 1999-12-30 | 2001-08-15 | MEASUREMENT OF MICROBIOLOGICAL ACTIVITY IN AN OPACUS ENVIRONMENT. |
BRPI0116986-6B1A BR0116986B1 (en) | 1999-12-30 | 2001-08-15 | process for monitoring microbiological populations in an opaque medium. |
AT01964059T ATE412768T1 (en) | 1999-12-30 | 2001-08-15 | MEASUREMENT OF MICROBIOLOGICAL ACTIVITY IN A LIGHT-OPAQUE MEDIUM |
PCT/US2001/025598 WO2003016556A1 (en) | 1999-12-30 | 2001-08-15 | Measurement of microbiological activity in an opaque medium |
EP01964059A EP1417330B1 (en) | 1999-12-30 | 2001-08-15 | Measurement of microbiological activity in an opaque medium |
DK01964059T DK1417330T3 (en) | 1999-12-30 | 2001-08-15 | Measurement of microbiological activity in an opaque medium |
AU2001284956A AU2001284956B2 (en) | 1999-12-30 | 2001-08-15 | Measurement of microbiological activity in an opaque medium |
DE60136392T DE60136392D1 (en) | 1999-12-30 | 2001-08-15 | MEASUREMENT OF MICROBIOLOGICAL ACTIVITY IN A TRANSLUCENT MEDIUM |
ZA200204867A ZA200204867B (en) | 1999-12-30 | 2002-06-18 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems. |
NO20023059A NO329031B1 (en) | 1999-12-30 | 2002-06-24 | Processes for monitoring planktonic and trapped microbiological populations in aquatic systems |
NO20034502A NO20034502L (en) | 1999-12-30 | 2003-10-08 | Painting of microbial activity in an opaque medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/475,585 US6329165B1 (en) | 1999-12-30 | 1999-12-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/894,929 Continuation-In-Part US6440689B1 (en) | 1999-12-30 | 2001-06-28 | Measurement of microbiological activity in an opaque medium |
Publications (1)
Publication Number | Publication Date |
---|---|
US6329165B1 true US6329165B1 (en) | 2001-12-11 |
Family
ID=23888241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/475,585 Expired - Lifetime US6329165B1 (en) | 1999-12-30 | 1999-12-30 | Measurement and control of sessile and planktonic microbiological activity in industrial water systems |
Country Status (19)
Country | Link |
---|---|
US (1) | US6329165B1 (en) |
EP (1) | EP1242614B1 (en) |
JP (1) | JP4703082B2 (en) |
KR (1) | KR100644885B1 (en) |
CN (1) | CN1195870C (en) |
AR (1) | AR027011A1 (en) |
AT (1) | ATE277196T1 (en) |
AU (1) | AU782486B2 (en) |
BR (1) | BR0016810A (en) |
CA (1) | CA2394069C (en) |
DE (1) | DE60014164T2 (en) |
MX (1) | MXPA02006440A (en) |
NO (1) | NO329031B1 (en) |
NZ (1) | NZ519872A (en) |
PT (1) | PT1242614E (en) |
RU (1) | RU2280692C2 (en) |
TW (1) | TWI223005B (en) |
WO (1) | WO2001049876A1 (en) |
ZA (1) | ZA200204867B (en) |
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US6440689B1 (en) * | 1999-12-30 | 2002-08-27 | Ondeo Nalco Company | Measurement of microbiological activity in an opaque medium |
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US20040029211A1 (en) * | 2002-08-06 | 2004-02-12 | Cooper Andrew J. | Method for locating hidden microorganism contaminated surfaces in industrial water systems |
US20040050144A1 (en) * | 2002-07-10 | 2004-03-18 | Bratton Wesley L. | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US6730227B2 (en) | 2002-03-28 | 2004-05-04 | Nalco Company | Method of monitoring membrane separation processes |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4783314A (en) * | 1987-02-26 | 1988-11-08 | Nalco Chemical Company | Fluorescent tracers - chemical treatment monitors |
US5225333A (en) * | 1987-05-06 | 1993-07-06 | Hans Krause | Process and apparatus for the detection of toxicity in surface waters as well as drinking water and industrial water |
US5702684A (en) * | 1994-05-02 | 1997-12-30 | Nalco Chemical Company | Method of use of compositions of biocides and fluorescent indicators to control microbial growth |
US5821066A (en) * | 1994-05-18 | 1998-10-13 | The Research & Development Institute, Inc. | Simple, rapid method for the detection, identification and enumeration of specific viable microorganisms |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5041386A (en) * | 1988-12-19 | 1991-08-20 | Nalco Chemical Company | Concentration cycles, percent life holding time and continuous treatment concentration monitoring in boiler systems by inert tracers |
FR2653447B1 (en) * | 1989-10-20 | 1991-12-27 | Bio Merieux | METHOD AND REAGENTS FOR THE DETECTION OF MICROORGANISMS. |
JP2948405B2 (en) * | 1992-03-03 | 1999-09-13 | 三菱重工業株式会社 | Quick method for measuring microorganisms |
US5389548A (en) * | 1994-03-29 | 1995-02-14 | Nalco Chemical Company | Monitoring and in-system concentration control of polyelectrolytes using fluorochromatic dyes |
JPH08173190A (en) * | 1994-12-28 | 1996-07-09 | Showa Shell Sekiyu Kk | Method for examining presence of microorganism and examination kid used therefor |
JPH09248198A (en) * | 1996-03-14 | 1997-09-22 | Tadashi Matsunaga | Life/death discrimination of alga |
JPH1157731A (en) * | 1997-08-15 | 1999-03-02 | Japan Organo Co Ltd | Water treatment and water treatment plant |
US5968762A (en) * | 1998-03-19 | 1999-10-19 | The University Of Connecticut | Method for detecting bacteria in a sample |
-
1999
- 1999-12-30 US US09/475,585 patent/US6329165B1/en not_active Expired - Lifetime
-
2000
- 2000-11-30 NZ NZ519872A patent/NZ519872A/en not_active IP Right Cessation
- 2000-11-30 AT AT00992599T patent/ATE277196T1/en active
- 2000-11-30 JP JP2001550404A patent/JP4703082B2/en not_active Expired - Lifetime
- 2000-11-30 DE DE60014164T patent/DE60014164T2/en not_active Expired - Lifetime
- 2000-11-30 CA CA2394069A patent/CA2394069C/en not_active Expired - Lifetime
- 2000-11-30 WO PCT/US2000/042495 patent/WO2001049876A1/en active IP Right Grant
- 2000-11-30 RU RU2002117295/13A patent/RU2280692C2/en active
- 2000-11-30 EP EP00992599A patent/EP1242614B1/en not_active Expired - Lifetime
- 2000-11-30 KR KR1020027008398A patent/KR100644885B1/en active IP Right Grant
- 2000-11-30 PT PT00992599T patent/PT1242614E/en unknown
- 2000-11-30 CN CNB008178356A patent/CN1195870C/en not_active Expired - Lifetime
- 2000-11-30 AU AU45140/01A patent/AU782486B2/en not_active Expired
- 2000-11-30 BR BR0016810-6A patent/BR0016810A/en not_active Application Discontinuation
- 2000-11-30 MX MXPA02006440A patent/MXPA02006440A/en active IP Right Grant
- 2000-12-19 TW TW089127225A patent/TWI223005B/en not_active IP Right Cessation
- 2000-12-19 AR ARP000106744A patent/AR027011A1/en active IP Right Grant
-
2002
- 2002-06-18 ZA ZA200204867A patent/ZA200204867B/en unknown
- 2002-06-24 NO NO20023059A patent/NO329031B1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4783314A (en) * | 1987-02-26 | 1988-11-08 | Nalco Chemical Company | Fluorescent tracers - chemical treatment monitors |
US5225333A (en) * | 1987-05-06 | 1993-07-06 | Hans Krause | Process and apparatus for the detection of toxicity in surface waters as well as drinking water and industrial water |
US5702684A (en) * | 1994-05-02 | 1997-12-30 | Nalco Chemical Company | Method of use of compositions of biocides and fluorescent indicators to control microbial growth |
US5821066A (en) * | 1994-05-18 | 1998-10-13 | The Research & Development Institute, Inc. | Simple, rapid method for the detection, identification and enumeration of specific viable microorganisms |
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US20040185472A1 (en) * | 2002-03-28 | 2004-09-23 | Kelle Zeiher E. H. | Method of monitoring membrane separation processes |
US20040104171A1 (en) * | 2002-03-28 | 2004-06-03 | Zeiher E. H. Kelle | Method of monitoring membrane separation processes |
US6838001B2 (en) | 2002-03-28 | 2005-01-04 | Nalco Company | Method of monitoring membrane separation processes |
US20040118776A1 (en) * | 2002-03-28 | 2004-06-24 | Zeiher E H Kelle | Method of monitoring membrane separation processes |
US6730227B2 (en) | 2002-03-28 | 2004-05-04 | Nalco Company | Method of monitoring membrane separation processes |
US7169236B2 (en) | 2002-03-28 | 2007-01-30 | Nalco Company | Method of monitoring membrane cleaning processes |
US20040104169A1 (en) * | 2002-03-28 | 2004-06-03 | Zeiher E. H. Kelle | Method of monitoring membrane separation processes |
US7725557B2 (en) | 2002-06-24 | 2010-05-25 | Microsoft Corporation | Client-side caching of streaming media content |
US20060059223A1 (en) * | 2002-06-24 | 2006-03-16 | Microsoft Corporation | Client-side caching of streaming media content |
US20030236906A1 (en) * | 2002-06-24 | 2003-12-25 | Klemets Anders E. | Client-side caching of streaming media content |
US7548948B2 (en) | 2002-06-24 | 2009-06-16 | Microsoft Corporation | Client-side caching of streaming media content |
WO2004040256A3 (en) * | 2002-07-10 | 2005-02-24 | Vista Engineering Technologies | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US7047830B2 (en) * | 2002-07-10 | 2006-05-23 | Vista Engineering Technologies, Inc. | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US7389706B2 (en) * | 2002-07-10 | 2008-06-24 | Vista Engineering Technologies Llc | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US20060137480A1 (en) * | 2002-07-10 | 2006-06-29 | Vista Engineering Technologies Llc | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US20080274553A1 (en) * | 2002-07-10 | 2008-11-06 | Vista Engineering Technologies, Llc | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
WO2004040256A2 (en) * | 2002-07-10 | 2004-05-13 | Vista Engineering Technologies L.L.C. | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US20040050144A1 (en) * | 2002-07-10 | 2004-03-18 | Bratton Wesley L. | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
US7908937B2 (en) * | 2002-07-10 | 2011-03-22 | Vista Engineering Technologies Llc | Method to detect and characterize contaminants in pipes and ducts with interactive tracers |
EP1539994A2 (en) * | 2002-07-23 | 2005-06-15 | Nalco Company | Method of monitoring biofouling in membrane separation systems |
US6699684B2 (en) | 2002-07-23 | 2004-03-02 | Nalco Company | Method of monitoring biofouling in membrane separation systems |
CN100379877C (en) * | 2002-07-23 | 2008-04-09 | 纳尔科公司 | Method of monitoring biofouling in membrane separation systems |
WO2004009497A2 (en) | 2002-07-23 | 2004-01-29 | Nalco Company | Method of monitoring biofouling in membrane separation systems |
US20040115757A1 (en) * | 2002-07-23 | 2004-06-17 | Ho Bosco P. | Method of monitoring biofouling in membrane separation systems |
AU2003230706B2 (en) * | 2002-07-23 | 2009-01-29 | Nalco Company | Method of monitoring biofouling in membrane separation systems |
EP1539994A4 (en) * | 2002-07-23 | 2006-08-09 | Nalco Co | Method of monitoring biofouling in membrane separation systems |
US20040203088A1 (en) * | 2002-07-23 | 2004-10-14 | Ho Bosco P. | Method of monitoring biofouling in membrane separation systems |
WO2004013046A2 (en) | 2002-08-06 | 2004-02-12 | Ondeo Nalco Company | Method for locating hidden microorganism contaminated surfaces in industrial water systems |
EP1534851A2 (en) * | 2002-08-06 | 2005-06-01 | Nalco Company | Method for locating hidden microorganism contaminated surfaces in industrial water systems |
US20040029211A1 (en) * | 2002-08-06 | 2004-02-12 | Cooper Andrew J. | Method for locating hidden microorganism contaminated surfaces in industrial water systems |
US6818417B2 (en) * | 2002-08-06 | 2004-11-16 | Nalco Company | Method for locating hidden microorganism contaminated surfaces in industrial water systems |
EP1534851A4 (en) * | 2002-08-06 | 2005-12-28 | Nalco Co | Method for locating hidden microorganism contaminated surfaces in industrial water systems |
US7650421B2 (en) | 2002-12-30 | 2010-01-19 | Microsoft Corporation | Adaptable accelerated content streaming |
US20040128396A1 (en) * | 2002-12-30 | 2004-07-01 | Patrick Stuart Raymond | Adaptable accelerated content streaming |
US7634373B2 (en) | 2003-06-27 | 2009-12-15 | Microsoft Corporation | Midstream determination of varying bandwidth availability |
US7054774B2 (en) | 2003-06-27 | 2006-05-30 | Microsoft Corporation | Midstream determination of varying bandwidth availability |
US20040267503A1 (en) * | 2003-06-27 | 2004-12-30 | Batterberry Troy D | Midstream determination of varying bandwidth availability |
US7391717B2 (en) | 2003-06-30 | 2008-06-24 | Microsoft Corporation | Streaming of variable bit rate multimedia content |
US20040264489A1 (en) * | 2003-06-30 | 2004-12-30 | Klemets Anders E. | Streaming of variable bit rate multimedia content |
EP1670560A4 (en) * | 2003-09-30 | 2009-05-13 | Nalco Co | System for feeding solid materials to a pressurized pipeline |
EP2446955A1 (en) | 2003-09-30 | 2012-05-02 | Nalco Company | System for feeding solid materials to a pressurized pipeline |
AU2010200601B2 (en) * | 2003-09-30 | 2012-07-05 | Nalco Company | System for feeding solid materials to a pressurized pipeline |
US20050067013A1 (en) * | 2003-09-30 | 2005-03-31 | Robert R. Adams | System for feeding solid materials to a pressurized pipeline |
WO2005032716A2 (en) | 2003-09-30 | 2005-04-14 | Nalco Company | System for feeding solid materials to a pressurized pipeline |
US6901945B2 (en) * | 2003-09-30 | 2005-06-07 | Nalco Company | System for feeding solid materials to a pressurized pipeline |
AU2004277924B2 (en) * | 2003-09-30 | 2009-11-19 | Nalco Company | System for feeding solid materials to a pressurized pipeline |
WO2005032716A3 (en) * | 2003-09-30 | 2006-02-16 | Nalco Co | System for feeding solid materials to a pressurized pipeline |
US7479490B2 (en) | 2003-09-30 | 2009-01-20 | Nalco Company | Pellet for a presurrized pipeline |
EP1670560A2 (en) * | 2003-09-30 | 2006-06-21 | Nalco Company | System for feeding solid materials to a pressurized pipeline |
US7197914B2 (en) * | 2003-10-06 | 2007-04-03 | Vista Engineering Technologies | Method and apparatus for detecting and locating leak holes in a pipeline using tracers |
WO2005081696A3 (en) * | 2003-10-06 | 2006-08-03 | Vista Engineering Technologies | Method and apparatus for detecting and locating explosives, biological, and chemical substances in ducts and structures using tracers |
US7331248B2 (en) * | 2003-10-06 | 2008-02-19 | Vista Engineering Technologies, Inc. | Method and apparatus for detecting and locating explosives, biological, and chemical substances in ducts and structures using tracers |
WO2005081696A2 (en) * | 2003-10-06 | 2005-09-09 | Vista Engineering Technologies, L.L.C. | Method and apparatus for detecting and locating explosives, biological, and chemical substances in ducts and structures using tracers |
US20070051165A1 (en) * | 2003-10-06 | 2007-03-08 | Maresca Joseph W Jr | Method and apparatus for detecting and locating leak holes in a pipeline using tracers |
US20060262309A1 (en) * | 2004-01-30 | 2006-11-23 | Banks Rodney H | Interchangeable tip-open cell fluorometer |
US7095500B2 (en) | 2004-01-30 | 2006-08-22 | Nalco Company | Interchangeable tip-open cell fluorometer |
US20050168741A1 (en) * | 2004-01-30 | 2005-08-04 | Banks Rodney H. | Interchangeable tip-open cell fluorometer |
US7154603B2 (en) | 2004-01-30 | 2006-12-26 | Nalco Company | Interchangeable tip-open cell fluorometer |
US20060092822A1 (en) * | 2004-04-30 | 2006-05-04 | Microsoft Corporation | Session Description Message Extensions |
US7162533B2 (en) | 2004-04-30 | 2007-01-09 | Microsoft Corporation | Session description message extensions |
US20050262187A1 (en) * | 2004-04-30 | 2005-11-24 | Microsoft Corporation | Session description message extensions |
US7809851B2 (en) | 2004-04-30 | 2010-10-05 | Microsoft Corporation | Session description message extensions |
US7783772B2 (en) | 2004-04-30 | 2010-08-24 | Microsoft Corporation | Session description message extensions |
US20060230547A1 (en) * | 2005-03-23 | 2006-10-19 | Fuji Photo Film Co., Ltd. | Hair-dyeing agent |
US7429277B2 (en) * | 2005-03-23 | 2008-09-30 | Fujifilm Corporation | Hair-dyeing agent |
US20060246595A1 (en) * | 2005-05-02 | 2006-11-02 | Banks Rodney H | Method for using an all solid-state fluorometer in monitoring and controlling chemicals in water |
WO2007056568A2 (en) * | 2005-11-09 | 2007-05-18 | Chemimage Corporation | Spectral imaging of biofilms |
WO2007056568A3 (en) * | 2005-11-09 | 2009-04-30 | Chemimage Corp | Spectral imaging of biofilms |
US7450228B2 (en) | 2005-11-09 | 2008-11-11 | Chemimage Corporation | Spectral imaging of biofilms |
US20100112682A1 (en) * | 2008-11-03 | 2010-05-06 | General Electric Company | Total bacteria monitoring system |
US20100112630A1 (en) * | 2008-11-03 | 2010-05-06 | Scott Martell Boyette | Methods for measuring microbiological content in aqueous media |
US8481302B2 (en) | 2008-11-03 | 2013-07-09 | General Electric Company | Total bacteria monitoring system |
US20100116735A1 (en) * | 2008-11-13 | 2010-05-13 | Yu F Philip | Method of monitoring and controlling biological activity in boiler condensate and feedwater systems |
US9242880B2 (en) | 2010-12-28 | 2016-01-26 | Nalco Company | Strategy for on-site in situ generation of oxidizing compounds and application of the oxidizing compound for microbial control |
US9790535B2 (en) | 2012-09-25 | 2017-10-17 | General Electric Company | Disposable container for bioburden sample collection and detection |
WO2014152895A1 (en) * | 2013-03-14 | 2014-09-25 | University Of Cincinnati | Multi-tiered high through-put screen for compounds effective against bacterial biofilm and compounds effective for inhibiting and eradicating bacterial biofilm |
US10202631B2 (en) | 2013-03-14 | 2019-02-12 | University Of Cincinnati | Multi-tiered, high through-put screen for compounds effective against bacterial biofilm compounds effective for inhibiting and eradicating bacterial biofilm |
US10704076B2 (en) | 2013-03-14 | 2020-07-07 | University Of Cincinnati | Multi-tiered high through-put screen for compounds effective against bacterial biofilm and compounds effective for inhibiting and eradicating bacterial biofilm |
US20150260702A1 (en) * | 2014-03-13 | 2015-09-17 | Chemtreat, Inc. | Systems and methods for controlling cationic water treatment additives |
US9977004B2 (en) * | 2014-03-13 | 2018-05-22 | Chemtreat, Inc. | Systems and methods for controlling cationic water treatment additives |
US11105730B2 (en) | 2014-04-09 | 2021-08-31 | Nch Corporation | System and method for detecting biofilm growth in water systems |
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JP2003519390A (en) | 2003-06-17 |
KR20030031880A (en) | 2003-04-23 |
AR027011A1 (en) | 2003-03-12 |
NO329031B1 (en) | 2010-08-02 |
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CN1195870C (en) | 2005-04-06 |
JP4703082B2 (en) | 2011-06-15 |
EP1242614A4 (en) | 2003-08-13 |
DE60014164D1 (en) | 2004-10-28 |
CA2394069A1 (en) | 2001-07-12 |
ATE277196T1 (en) | 2004-10-15 |
BR0016810A (en) | 2002-11-26 |
PT1242614E (en) | 2005-01-31 |
AU4514001A (en) | 2001-07-16 |
TWI223005B (en) | 2004-11-01 |
ZA200204867B (en) | 2003-06-18 |
NO20023059D0 (en) | 2002-06-24 |
CN1425074A (en) | 2003-06-18 |
CA2394069C (en) | 2011-11-22 |
MXPA02006440A (en) | 2002-12-13 |
RU2280692C2 (en) | 2006-07-27 |
AU782486B2 (en) | 2005-08-04 |
DE60014164T2 (en) | 2006-02-23 |
EP1242614B1 (en) | 2004-09-22 |
NZ519872A (en) | 2004-05-28 |
NO20023059L (en) | 2002-08-27 |
KR100644885B1 (en) | 2006-11-13 |
EP1242614A1 (en) | 2002-09-25 |
RU2002117295A (en) | 2004-02-20 |
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